Configuring Interfaces on the ML-Series Card
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1 5 CHAPTER This chapter describes basic interface configuration for the ML-Series card to help you get your ML-Series card up and running. Advanced packet-over-sonet (POS) interface configuration is covered in Chapter 6, Configuring POS on the ML-Series Card. For more information about the Cisco IOS commands used in this chapter, refer to the Cisco IOS Reference publication. This chapter contains the following major sections: General Interface Guidelines, page 5-1 Basic Interface Configuration, page 5-3 Basic Fast Ethernet and POS Interface Configuration, page 5-4 Monitoring Operations on the Fast Ethernet Interfaces, page 5-6 General Interface Guidelines The main function of the ML-Series card is to relay packets from one data link to another. Consequently, you must configure the characteristics of the interfaces, which receive and send packets. Interface characteristics include, but are not limited to, IP address, address of the port, data encapsulation method, and media type. Many features are enabled on a per-interface basis. Interface configuration mode contains commands that modify the interface operation (for example, of an Ethernet port). When you enter the interface command, you must specify the interface type and number. The following general guidelines apply to all physical and virtual interface configuration processes: All interfaces have a name that is composed of an interface type (word) and a Port ID (number). For example, Fast Ethernet 2. Configure each interface with a bridge-group or IP address and IP subnet mask. VLANs are supported through the use of subinterfaces. The subinterface is a logical interface configured separately from the associated physical interface. Each physical interface, including the internal POS interfaces, has an assigned MAC address. MAC Addresses Every port or device that connects to an Ethernet network needs a MAC address. Other devices in the network use MAC addresses to locate specific ports in the network and to create and update routing tables and data structures. 5-1
2 General Interface Guidelines Chapter 5 To find MAC addresses for a device, use the show interfaces command, as follows: ML_Series# show interfaces fastethernet 0 FastEthernet0 is up, line protocol is up Hardware is epif_port, address is 000b.fcfa.339e (bia 000b.fcfa.339e) Description: 100 mbps full duplex q-in-q tunnel MTU 1500 bytes, BW Kbit, DLY 100 usec, reliability 255/255, txload 18/255, rxload 200/255 Encapsulation ARPA, loopback not set Keepalive set (10 sec) Full-duplex, 100Mb/s, 100BaseTX ARP type: ARPA, ARP Timeout 04:00:00 Last input 00:00:00, output 00:00:00, output hang never Last clearing of "show interface" counters never Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0 Queueing strategy: weighted fair Output queue: 0/1000/64/0 (size/max total/threshold/drops) Conversations 0/0/256 (active/max active/max total) Reserved Conversations 0/0 (allocated/max allocated) Available Bandwidth kilobits/sec 30 second input rate bits/sec, packets/sec 30 second output rate bits/sec, packets/sec packets input, bytes Received 0 broadcasts (0 IP multicast) 2 runts, 0 giants, 0 throttles 4 input errors, 0 CRC, 0 frame, 1 overrun, 0 ignored 0 watchdog, 0 multicast 0 input packets with dribble condition detected packets output, bytes, 0 underruns output errors, collisions, 0 interface resets 0 babbles, 0 late collision, 0 deferred 0 lost carrier, 0 no carrier 0 output buffer failures, 0 output buffers swapped out Interface Port ID The interface port ID designates the physical location of the interface within the ML-Series card. It is the name that you use to identify the interface you are configuring. The system software uses interface port IDs to control activity within the ML-Series card and to display status information. Interface port IDs are not used by other devices in the network; they are specific to the individual ML-Series card and its internal components and software. The ML-100T-8 port IDs for the eight Fast Ethernet interfaces are Fast Ethernet 0 through 7. The ML-Series card features two POS ports. The ML-Series port IDs for the two POS interfaces are POS 0 and 1. You can use user-defined abbreviations such as f0 through f7 to configure the eight Fast Ethernet interfaces, and POS0 and POS1 to configure the two POS ports. You can use Cisco IOS show commands to display information about any or all the interfaces of the ML-Series card. 5-2
3 Chapter 5 Basic Interface Configuration Basic Interface Configuration The following general configuration instructions apply to all interfaces. Before you configure interfaces, develop a plan for a bridge or routed network. To configure an interface, do the following: Step 1 Step 2 Step 3 Step 4 Enter the configure EXEC command at the privileged EXEC prompt to enter global configuration mode. The key word your-password is the password set up by the user in the initial configuration of the ML-Series card. ML_Series> enable Password:<your-password> ML_Series# configure terminal ML_Series(config)# Enter the interface command, followed by the interface type (for example, fastethernet or pos) and its interface port ID (see the Interface Port ID section on page 5-2). For example, to configure a Fast Ethernet port, enter this command: ML_Series(config)# interface fastethernet number Follow each interface command with the interface configuration commands required for your particular interface. The commands you enter define the protocols and applications that will run on the interface. The ML-Series card collects and applies commands to the interface command until you enter another interface command or a command that is not an interface configuration command. You can also enter end to return to privileged EXEC mode. Check the status of the configured interface by entering the EXEC show interface command. ML_Series# show interfaces fastethernet 0 FastEthernet0 is up, line protocol is up Hardware is epif_port, address is 000b.fcfa.339e (bia 000b.fcfa.339e) Description: 100 mbps full duplex q-in-q tunnel MTU 1500 bytes, BW Kbit, DLY 100 usec, reliability 255/255, txload 18/255, rxload 200/255 Encapsulation ARPA, loopback not set Keepalive set (10 sec) Full-duplex, 100Mb/s, 100BaseTX ARP type: ARPA, ARP Timeout 04:00:00 Last input 00:00:00, output 00:00:00, output hang never Last clearing of "show interface" counters never Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0 Queueing strategy: weighted fair Output queue: 0/1000/64/0 (size/max total/threshold/drops) Conversations 0/0/256 (active/max active/max total) Reserved Conversations 0/0 (allocated/max allocated) Available Bandwidth kilobits/sec 30 second input rate bits/sec, packets/sec 30 second output rate bits/sec, packets/sec packets input, bytes Received 0 broadcasts (0 IP multicast) 2 runts, 0 giants, 0 throttles 4 input errors, 0 CRC, 0 frame, 1 overrun, 0 ignored 0 watchdog, 0 multicast 0 input packets with dribble condition detected packets output, bytes, 0 underruns output errors, collisions, 0 interface resets 0 babbles, 0 late collision, 0 deferred 5-3
4 Basic Fast Ethernet and POS Interface Configuration Chapter 5 0 lost carrier, 0 no carrier 0 output buffer failures, 0 output buffers swapped out Basic Fast Ethernet and POS Interface Configuration ML-Series cards support Fast Ethernet and POS interfaces. This section provides some examples of configurations for all interface types. To configure an IP address or bridge-group number on a Fast Ethernet or POS interface, perform the following procedure, beginning in global configuration mode: Step 1 ML_Series(config)# interface type number Activates interface configuration mode to configure either the Fast Ethernet interface or the POS interface. Step 2 ML_Series(config-if)# {ip address ip-address subnet-mask bridge-group bridge-group-number} Sets the IP address and IP subnet mask to be assigned to the interface. or Assigns a network interface to a bridge group. Step 3 ML_Series(config-if)# no shutdown Enables the interface by preventing it from shutting down. Step 4 ML_Series(config)# end Returns to privileged EXEC mode. Step 5 ML_Series# copy running-config startup-config (Optional) Saves configuration changes to flash database. Configuring the Fast Ethernet Interfaces To configure the IP address or bridge-group number, autonegotiation, and flow control on a Fast Ethernet interface, perform the following procedure, beginning in global configuration mode: Step 1 Step 2 ML_Series(config)# interface fastethernet number ML_Series(config-if)# {ip address ip-address subnet-mask bridge-group bridge-group-number} Step 3 ML_Series(config-if)# [no] speed { auto} Activates interface configuration mode to configure the Fast Ethernet interface. Sets the IP address and IP subnet mask to be assigned to the interface. or Assigns a network interface to a bridge group. Configures the transmission speed for 10 or 100 Mbps. If you set the speed or duplex for auto, you enable autonegotiation on the system the ML-Series card matches the speed and duplex mode of the partner node. 5-4
5 Chapter 5 Basic Fast Ethernet and POS Interface Configuration Step 4 ML_Series(config-if)# [no] duplex {full half auto} Step 5 ML_Series(config-if)# flowcontrol send {on off desired} Sets full duplex, half duplex, or autonegotiate mode. (Optional) Sets the send flow control value for an interface. Flow control works only with port-level policing. ML-Series card Fast Ethernet port flow control is IEEE 802.3x compliant. Step 6 ML_Series(config-if)# no shutdown Enables the interface by preventing it from shutting down. Step 7 ML_Series(config)# end Returns to privileged EXEC mode. Step 8 ML_Series# copy running-config startup-config (Optional) Saves your configuration changes to the flash database. Example 5-1 shows how to do the initial configuration of a Fast Ethernet interface with an IP address, autonegotiated speed, and autonegotiated duplex. Example 5-1 Initial Configuration of a Fast Ethernet Interface ML_Series(config)# interface fastethernet 1 ML_Series(config-if)# ip address ML_Series(config-if)# speed auto ML_Series(config-if)# duplex auto ML_Series(config-if)# no shutdown ML_Series(config-if)# end ML_Series# copy running-config startup-config Configuring the POS Interfaces Encapsulation changes on POS ports are allowed only when the interface is in a manual shutdown (ADMIN_DOWN). For advanced POS interface configuration, see Chapter 6, Configuring POS on the ML-Series Card. Note The initial state of the ONS CL ML-Series card POS port is inactive. A POS interface command of no shutdown is required to carry traffic on the SONET circuit. To configure the IP address, bridge group, or encapsulation for the POS interface, perform the following procedure, beginning in global configuration mode: Step 1 ML_Series(config)# interface pos number Activates interface configuration mode to configure the POS interface. Step 2 ML_Series(config-if)# {ip address ip-address subnet-mask bridge-group bridge-group-number} Sets the IP address and subnet mask. or Assigns a network interface to a bridge group. 5-5
6 Monitoring Operations on the Fast Ethernet Interfaces Chapter 5 Step 3 ML_Series(config-if)# shutdown Manually shuts down the interface. Encapsulation changes on POS ports are allowed only when the interface is shut down (ADMIN_DOWN). Step 4 ML_Series(config-if)# encapsulation type Sets the encapsulation type. Valid values are: hdlc Cisco high-level data link control (HDLC) lex (Default) LAN extension, special encapsulation for use with Cisco ONS Ethernet line cards ppp Point-to-Point Protocol Note Under GFP-F framing, the ONS CL ML-Series card is restricted to LEX encapsulation. Step 5 ML_Series(config-if)# no shutdown Restarts the shutdown interface. Step 6 ML_Series(config)# end Returns to privileged EXEC mode. Step 7 ML_Series# copy running-config startup-config (Optional) Saves configuration changes to NVRAM. Monitoring Operations on the Fast Ethernet Interfaces To verify the settings after you have configured the interfaces, enter the show interface command. For additional information on monitoring the operations on POS interfaces, see the Configuring POS on the ML-Series Card chapter. Example 5-2 shows the output from the show interface command, which displays the status of the interface including port speed and duplex operation. Example 5-2 show interface Output ML_Series# show interface fastethernet 0 FastEthernet0 is up, line protocol is up Hardware is epif_port, address is 000b.fcfa.339e (bia 000b.fcfa.339e) Description: 100 mbps full duplex q-in-q tunnel MTU 1500 bytes, BW Kbit, DLY 100 usec, reliability 255/255, txload 18/255, rxload 200/255 Encapsulation ARPA, loopback not set Keepalive set (10 sec) Full-duplex, 100Mb/s, 100BaseTX ARP type: ARPA, ARP Timeout 04:00:00 Last input 00:00:00, output 00:00:00, output hang never Last clearing of "show interface" counters never Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0 Queueing strategy: weighted fair Output queue: 0/1000/64/0 (size/max total/threshold/drops) Conversations 0/0/256 (active/max active/max total) Reserved Conversations 0/0 (allocated/max allocated) Available Bandwidth kilobits/sec 30 second input rate bits/sec, packets/sec 30 second output rate bits/sec, packets/sec packets input, bytes Received 0 broadcasts (0 IP multicast) 5-6
7 Chapter 5 Monitoring Operations on the Fast Ethernet Interfaces 2 runts, 0 giants, 0 throttles 4 input errors, 0 CRC, 0 frame, 1 overrun, 0 ignored 0 watchdog, 0 multicast 0 input packets with dribble condition detected packets output, bytes, 0 underruns output errors, collisions, 0 interface resets 0 babbles, 0 late collision, 0 deferred 0 lost carrier, 0 no carrier 0 output buffer failures, 0 output buffers swapped out Enter the show controller command to display information about the Fast Ethernet controller chip. Example 5-3 shows the output from the show controller command, which shows statistics, including information about initialization block information and raw MAC counters. Example 5-3 show controller Output ML_Series# show controller fastethernet 0 IF Name: FastEthernet0 Port Status UP Send Flow Control : Disabled Receive Flow Control : Enabled MAC registers CMCR : 0x (Tx Enabled, Rx Enabled) CMPR : 0x150B0A82 (Long Frame Enabled) FCR : 0x MII registers: Control Register (0x0): 0x100 (Auto negotation disabled) Status Register (0x1): 0x780D (Link status Up) PHY Identification Register 1 (0x2): 0x40 PHY Identification Register 2 (0x3): 0x61D4 Auto Neg. Advertisement Reg (0x4): 0x461 (Speed 10, Duplex Full) Auto Neg. Partner Ability Reg (0x5): 0x0 (Speed 10, Duplex Half) Auto Neg. Expansion Register (0x6): 0x4 100Base-X Aux Control Reg (0x10): 0x0 100Base-X Aux Status Register(0x11): 0x0 100Base-X Rcv Error Counter (0x12): 0x0 100Base-X False Carr. Counter(0x13): 0x Base-X Disconnect Counter (0x14): 0x200 Aux Control/Status Register (0x18): 0x31 Aux Status Summary Register (0x19): 0x5 Interrupt Register (0x1A): 0xC000 10Base-T Aux Err & Gen Status(0x1C): 0x3021 Aux Mode Register (0x1D): 0x0 Aux Multi-phy Register (0x1E): 0x0 Counters : MAC receive conters: Bytes pkt pkts64to pkts128to pkts256to pkts512to pkts1024to pkts1519to pkts_good_giants pkts_error_giants 0 pkts_good_runts 0 pkts_error_runts 5 5-7
8 Monitoring Operations on the Fast Ethernet Interfaces Chapter 5 pkts_ucast pkts_mcast pkts_bcast 0 align_errors 1 FCS_errors 5 Overruns 0 MAC Transmit Counters Bytes pkts pkts65to pkts128to pkts256to pkts512to pkts1024to pkts1519to pkts_ucast pkts_mcast pkts_bcast 11 pkts_fcs_err 0 pkts_giants 0 pkts_underruns 0 pkts_one_collision 0 pkts_multiple_collisions 0 pkts_excessive_collision 0 Ucode drops Enter the show run interface [type number] command to display information about the configuration of the Fast Ethernet interface. The command is useful when there are multiple interfaces and you want to look at the configuration of a specific interface. Example 5-4 shows output from the show run interface [type number] command, which includes information about the IP or lack of IP address and the state of the interface. Example 5-4 show run interface Output daytona# show run interface fastethernet 1 Building configuration... Current configuration : 222 bytes! interface FastEthernet1 no ip address duplex full speed 10 mode dot1q-tunnel l2protocol-tunnel cdp l2protocol-tunnel stp l2protocol-tunnel vtp no cdp enable bridge-group 2 bridge-group 2 spanning-disabled end 5-8
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